package main

import "fmt"

func main() {
	var a int
	fmt.Println("a=", a)

	var b, c int
	fmt.Println("b=", b)
	fmt.Println("c=", c)

	a = 5
	b = 6
	c = 7
	fmt.Println("a=", a)
	fmt.Println("b=", b)
	fmt.Println("c=", c)

	var d int = 50
	fmt.Println("d=", d)

	e := 45
	fmt.Println("e=", e)
	fmt.Printf("type of e is %T\n", e)
}
